The Cisco Nexus 9300 platform consists of fixed-port switches designed for top-of-rack (ToR) and middle-of-row (MoR) deployment in data centers that support enterprise applications, service provider hosting, and cloud computing environments. The Cisco Nexus® 9000 Series Switches include both modular and fixed-port switches that are designed to overcome these challenges with a flexible, agile, low-cost, application-centric infrastructure (ACI). IT infrastructure that supports this model must scale with the speed of business and support both 10 and 40 Gigabit Ethernet connectivity.
Applications have been transitioning over time to a less monolithic, scale-out, multinode model. With organizations deploying a mix of custom, open source, and off-the-shelf commercial applications, IT departments must manage both security and quality of service (QoS) for environments that support multitenancy. IT departments have to provide shared IT infrastructure to address time-to-market needs and to increase their return on investment (ROI). Business units demand accelerated application deployments. As a result, the provisioning, modification, and removal of application network connectivity needs to be dynamic as well. Application instances are created dynamically. Application workloads are deployed across a mix of virtualized and nonvirtualized server and storage infrastructure, requiring a network infrastructure that provides consistent connectivity, security, and visibility across a range of bare-metal, virtualized, and cloud computing environments: 
Organizations everywhere recognize that changing application environments are creating new demands for the IT infrastructure that supports them.
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